205653760

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{727}}^1$

素因数の和:778

約数の個数: 144

約数和(自身を含む): 562476096

約数和(自身を除く): 356822336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 128, 130, 136, 160, 170, 208, 221, 256, 260, 272, 320, 340, 416, 442, 520, 544, 640, 680, 727, 832, 884, 1040, 1088, 1105, 1280, 1360, 1454, 1664, 1768, 2080, 2176, 2210, 2720, 2908, 3328, 3536, 3635, 4160, 4352, 4420, 5440, 5816, 7072, 7270, 8320, 8840, 9451, 10880, 11632, 12359, 14144, 14540, 16640, 17680, 18902, 21760, 23264, 24718, 28288, 29080, 35360, 37804, 46528, 47255, 49436, 56576, 58160, 61795, 70720, 75608, 93056, 94510, 98872, 116320, 123590, 141440, 151216, 160667, 186112, 189020, 197744, 232640, 247180, 282880, 302432, 321334, 378040, 395488, 465280, 494360, 604864, 642668, 756080, 790976, 803335, 930560, 988720, 1209728, 1285336, 1512160, 1581952, 1606670, 1977440, 2419456, 2570672, 3024320, 3163904, 3213340, 3954880, 5141344, 6048640, 6426680, 7909760, 10282688, 12097280, 12853360, 15819520, 20565376, 25706720, 41130752, 51413440, 102826880, 205653760]

約数ペア:

[(1, 205653760), (2, 102826880), (4, 51413440), (5, 41130752), (8, 25706720), (10, 20565376), (13, 15819520), (16, 12853360), (17, 12097280), (20, 10282688), (26, 7909760), (32, 6426680), (34, 6048640), (40, 5141344), (52, 3954880), (64, 3213340), (65, 3163904), (68, 3024320), (80, 2570672), (85, 2419456), (104, 1977440), (128, 1606670), (130, 1581952), (136, 1512160), (160, 1285336), (170, 1209728), (208, 988720), (221, 930560), (256, 803335), (260, 790976), (272, 756080), (320, 642668), (340, 604864), (416, 494360), (442, 465280), (520, 395488), (544, 378040), (640, 321334), (680, 302432), (727, 282880), (832, 247180), (884, 232640), (1040, 197744), (1088, 189020), (1105, 186112), (1280, 160667), (1360, 151216), (1454, 141440), (1664, 123590), (1768, 116320), (2080, 98872), (2176, 94510), (2210, 93056), (2720, 75608), (2908, 70720), (3328, 61795), (3536, 58160), (3635, 56576), (4160, 49436), (4352, 47255), (4420, 46528), (5440, 37804), (5816, 35360), (7072, 29080), (7270, 28288), (8320, 24718), (8840, 23264), (9451, 21760), (10880, 18902), (11632, 17680), (12359, 16640), (14144, 14540)]